Search a number
-
+
61082886 = 2310180481
BaseRepresentation
bin1110100100000…
…0110100000110
311020221022222010
43221000310012
5111114123021
610021115050
71341124134
oct351006406
9136838863
1061082886
1131530527
1218558a86
13c868b27
148180754
155568976
hex3a40d06

61082886 has 8 divisors (see below), whose sum is σ = 122165784. Its totient is φ = 20360960.

The previous prime is 61082867. The next prime is 61082897. The reversal of 61082886 is 68828016.

It is a sphenic number, since it is the product of 3 distinct primes.

61082886 is an admirable number.

It is a super-2 number, since 2×610828862 = 7462237924177992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5090235 + ... + 5090246.

It is an arithmetic number, because the mean of its divisors is an integer number (15270723).

Almost surely, 261082886 is an apocalyptic number.

61082886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61082886 is a wasteful number, since it uses less digits than its factorization.

61082886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10180486.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 61082886 is about 7815.5541070355. The cubic root of 61082886 is about 393.8279329742.

The spelling of 61082886 in words is "sixty-one million, eighty-two thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 10180481 20360962 30541443 61082886